scottzzq commented on issue #165: 在brpc接口内部core，但是使用gdb分析时遇到问题 URL: https://github.com/apache/incubator-brpc/issues/165#issuecomment-475150739 执行到brpc内部挂掉： #0 0x00007f0621a605f7 in raise () from /usr/lib64/libc.so.6 #1 0x00007f0621a61ce8 in abort () from /usr/lib64/libc.so.6 #2 0x0000000000489f11 in myterminate () at brpc/example/echo_c++/server.cpp:322 #3 0x0000000000b651e6 in __cxxabiv1::__terminate (handler=<optimized out>) at ../../../../libstdc++-v3/libsupc++/eh_terminate.cc:47 #4 0x0000000000bf0c09 in __cxa_call_terminate (ue_header=ue_header@entry=0x7f060c047570) at ../../../../libstdc++-v3/libsupc++/eh_call.cc:54 #5 0x0000000000b64a05 in __cxxabiv1::__gxx_personality_v0 (version=<optimized out>, actions=<optimized out>, exception_class=5138137972254386944, ue_header=<optimized out>, context=0x7f05fdfea8e0) at ../../../../libstdc++-v3/libsupc++/eh_personality.cc:676 #6 0x0000000000bf9023 in _Unwind_RaiseException_Phase2 (exc=exc@entry=0x7f060c047570, context=context@entry=0x7f05fdfea8e0) at ../../../libgcc/unwind.inc:62 #7 0x0000000000bf9877 in _Unwind_Resume (exc=exc@entry=0x7f060c047570) at ../../../libgcc/unwind.inc:230 #8 0x0000000000508036 in operator() (this=<optimized out>, obj=<optimized out>) at brpc/src/brpc/destroyable.h:33 #9 ~unique_ptr (this=<synthetic pointer>, __in_chrg=<optimized out>) at /usr/include/c++/5.2.0/bits/unique_ptr.h:236 #10 ~DestroyingPtr (this=<synthetic pointer>, __in_chrg=<optimized out>) at brpc/src/brpc/destroyable.h:39 #11 brpc::policy::ProcessRpcRequest (msg_base=<optimized out>) at brpc/src/brpc/policy/baidu_rpc_protocol.cpp:333 #12 0x000000000055b887 in brpc::ProcessInputMessage (void_arg=void_arg@entry=0x7f060c036b20) at brpc/src/brpc/input_messenger.cpp:133 #13 0x000000000055c7c8 in operator() (this=<optimized out>, last_msg=0x7f060c036b20) at brpc/src/brpc/input_messenger.cpp:139 #14 brpc::InputMessenger::OnNewMessages (m=0x7f05ec01ac80) at /usr/include/c++/5.2.0/bits/unique_ptr.h:236 #15 0x00000000004a6fed in brpc::Socket::ProcessEvent (arg=0x7f05ec01ac80) at brpc/src/brpc/socket.cpp:1079 #16 0x0000000000609694 in bthread::TaskGroup::task_runner (skip_remained=<optimized out>) at brpc/src/bthread/task_group.cpp:293 #17 0x00000000005f10e1 in bthread_make_fcontext () #18 0x00010102464c457f in ?? () #19 0x0000000000000000 in ?? () 业务执行map.at，抛异常，栈回退的过程完全正常，本来应该在_Unwind_RaiseException_Phase2这个函数中执行fs.personality就会挂掉，但是这个指针为NULL (gdb) bt #0 _Unwind_RaiseException_Phase2 (exc=exc@entry=0x7fffd003d5b0, context=context@entry=0x7fffcb3ec780) at ../../../libgcc/unwind.inc:40 #1 0x0000000000bf9877 in _Unwind_Resume (exc=exc@entry=0x7fffd003d5b0) at ../../../libgcc/unwind.inc:230 #2 0x000000000048c0d4 in ~_Rb_tree (this=0x7fffcb3ec940, __in_chrg=<optimized out>) at /usr/include/c++/5.2.0/bits/stl_tree.h:858 #3 ~map (this=0x7fffcb3ec940, __in_chrg=<optimized out>) at /usr/include/c++/5.2.0/bits/stl_map.h:96 #4 example::EchoServiceImpl::Echo (this=<optimized out>, cntl_base=<optimized out>, request=0x7fffd0039ae0, response=0x7fffd0039c38, done=0x7fffd003d4d0) at brpc/example/echo_c++/server.cpp:254 #5 0x000000000043a075 in example::EchoService::CallMethod (this=<optimized out>, method=<optimized out>, controller=<optimized out>, request=<optimized out>, response=<optimized out>, done=<optimized out>) at build64_release/brpc/example/echo_c++/echo.pb.cc:675 #6 0x0000000000507d39 in brpc::policy::ProcessRpcRequest (msg_base=0x7fffd002cb20) at brpc/src/brpc/policy/baidu_rpc_protocol.cpp:553 #7 0x000000000055b887 in brpc::ProcessInputMessage (void_arg=void_arg@entry=0x7fffd002cb20) at brpc/src/brpc/input_messenger.cpp:133 #8 0x000000000055c7c8 in operator() (this=<optimized out>, last_msg=0x7fffd002cb20) at brpc/src/brpc/input_messenger.cpp:139 #9 brpc::InputMessenger::OnNewMessages (m=0x7fffcc01ac80) at /usr/include/c++/5.2.0/bits/unique_ptr.h:236 #10 0x00000000004a6fed in brpc::Socket::ProcessEvent (arg=0x7fffcc01ac80) at brpc/src/brpc/socket.cpp:1079 #11 0x0000000000609694 in bthread::TaskGroup::task_runner (skip_remained=<optimized out>) at brpc/src/bthread/task_group.cpp:293 #12 0x00000000005f10e1 in bthread_make_fcontext () #13 0x00010102464c457f in ?? () #14 0x0000000000000000 in ?? ()
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